DIFF Subgroup
E05B 81/52 Pneumatic or hydraulic circuits (for locking several wings simultaneously E05B77/50)
Introduced: January 2014
Title
Titles differ between systems:
IPC: Pneumatic or hydraulic circuits
CPC: Pneumatic or hydraulic circuits (for locking several wings simultaneously E05B77/50)
Full Title
Full titles differ between systems:
IPC:
Power-actuated vehicle locks > Pneumatic or hydraulic circuits
CPC:
Power-actuated vehicle locks > Pneumatic or hydraulic circuits (for locking several wings simultaneously E05B77/50)
No child classifications to compare. This is a leaf node in both IPC and CPC.
Top Applicants
Top Applicants (IPC)
Class E05,2013–2023, worldwide · Source: EPO PATSTAT
- KIEKERT DE 2,762
- HYUNDAI MOTOR COMPANY KR 1,316
- JULIUS BLUM AT 1,088
- FORD GLOBAL TECHNOLOGIES US 1,061
- HAIER SMART HOME 936
- KIA MOTORS CORPORATION KR 909
- HUF HUELSBECK & FUERST & COMPANY DE 887
- LG ELECTRONICS KR 872
- TOKAI RIKA COMPANY 813
- GEZE DE 807
Top Applicants (CPC)
Class E05,2013–2023, worldwide · Source: EPO PATSTAT
- KIEKERT DE 2,802
- HYUNDAI MOTOR COMPANY KR 1,609
- LG ELECTRONICS KR 1,467
- FORD GLOBAL TECHNOLOGIES US 1,465
- JULIUS BLUM AT 1,240
- KIA MOTORS CORPORATION KR 1,164
- HUF HUELSBECK & FUERST & COMPANY DE 1,005
- SAMSUNG ELECTRONICS COMPANY KR 928
- GEZE DE 809
- SCHLAGE LOCK COMPANY US 790